Sean Maher (b. April 16, 1975) played Mark Scheffer on the series Arrow and voiced Nightwing in the animated movies Son of Batman and Batman vs. Robin.
|Human Target||2010-2011||Aaron Cooper|
|"Embassy Row"||January 25, 2010||Aaron Cooper|
|"Blast Radius"||January 15, 2014||Mark Scheffer|
|"Suicide Squad"||March 19, 2014||Mark Scheffer|
|Son of Batman||May 6, 2014||Nightwing|
|Batman vs. Robin||April 14, 2015||Nightwing|
|Batman: Bad Blood||February 2, 2016||Nightwing|
|Justice League vs. Teen Titans||March 29, 2016||Nightwing|
|Teen Titans: The Judas Contract||April 4, 2017||Nightwing|
|Batman: Hush||July 20, 2019||Nightwing|
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